18780880860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{4968487}}^1$

素因数の和:4968512

約数の個数: 96

約数和(自身を含む): 66776478720

約数和(自身を除く): 47995597860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 4968487, 9936974, 14905461, 19873948, 24842435, 29810922, 34779409, 44716383, 49684870, 59621844, 69558818, 74527305, 89432766, 99369740, 104338227, 134149149, 139117636, 149054610, 173897045, 178865532, 208676454, 223581915, 268298298, 298109220, 313014681, 347794090, 417352908, 447163830, 521691135, 536596596, 626029362, 670745745, 695588180, 894327660, 939044043, 1043382270, 1252058724, 1341491490, 1565073405, 1878088086, 2086764540, 2682982980, 3130146810, 3756176172, 4695220215, 6260293620, 9390440430, 18780880860]

約数ペア:

[(1, 18780880860), (2, 9390440430), (3, 6260293620), (4, 4695220215), (5, 3756176172), (6, 3130146810), (7, 2682982980), (9, 2086764540), (10, 1878088086), (12, 1565073405), (14, 1341491490), (15, 1252058724), (18, 1043382270), (20, 939044043), (21, 894327660), (27, 695588180), (28, 670745745), (30, 626029362), (35, 536596596), (36, 521691135), (42, 447163830), (45, 417352908), (54, 347794090), (60, 313014681), (63, 298109220), (70, 268298298), (84, 223581915), (90, 208676454), (105, 178865532), (108, 173897045), (126, 149054610), (135, 139117636), (140, 134149149), (180, 104338227), (189, 99369740), (210, 89432766), (252, 74527305), (270, 69558818), (315, 59621844), (378, 49684870), (420, 44716383), (540, 34779409), (630, 29810922), (756, 24842435), (945, 19873948), (1260, 14905461), (1890, 9936974), (3780, 4968487)]